DE260756C - - Google Patents

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Publication number
DE260756C
DE260756C DENDAT260756D DE260756DA DE260756C DE 260756 C DE260756 C DE 260756C DE NDAT260756 D DENDAT260756 D DE NDAT260756D DE 260756D A DE260756D A DE 260756DA DE 260756 C DE260756 C DE 260756C
Authority
DE
Germany
Prior art keywords
tungsten
compounds
draws
ammonia
identifying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT260756D
Other languages
German (de)
Publication of DE260756C publication Critical patent/DE260756C/de
Active legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)

Description

fs. Auflage, ausgegeben am i. August 1914.) fs. Edition, issued on i. August 1914.)

BERLIN. GEDRUCKT. IN DER REICHSDRUCKEREI.BERLIN. PRINTED. IN THE REICHSPRINTEREI.

Claims (1)

Patent-Anspruch: .Patent Claim:. Abänderung des durch Patent 259996 geschützten Verfahrens, dadurch gekenn- 40· zeichnet, daß man im Falle der Verwendung von Ammoniak als Reduktionsmittel bei der Darstellung des Wolframs bzw. der Wolframstickstoffverbindungen aus Wolframverbindungen 600 ° C. wesentlich übersteigende Temperaturen anwendet.Modification of the process protected by patent 259996, thereby identifying 40 · draws that in the case of the use of ammonia as a reducing agent in the representation of tungsten or of tungsten-nitrogen compounds from tungsten compounds 600 ° C. uses temperatures that are significantly higher.
DENDAT260756D Active DE260756C (en)

Publications (1)

Publication Number Publication Date
DE260756C true DE260756C (en)

Family

ID=518376

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT260756D Active DE260756C (en)

Country Status (1)

Country Link
DE (1) DE260756C (en)

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